Patch 1.9.0 (03-Jan-2006): Epic items that are level 51 and above will now disenchant into a Nexus Crystal. Also items that normally disenchant into Large Brilliant Shards have a very small chance of disenchanting into a Nexus Crystal. New more powerful enchanting recipes that require these Crystals can be found in the new Ahn'Qiraj content.Epics previously disenchanted into multiple Large Brilliant Shards.Patch 2.2.0 (25-Sep-2007): The following enchants have been moved to reputation vendors in Outland and have been updated to use level 70 reagents and not use the Nexus Crystal anymore.